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Static contact angle of (a) colored DI water on PDMS, (b) 0.1% Triton X100 surfactant added to colored DI water, and (c) dynamic contact angle of a droplet dragged by a glass blade at a speed of 100 μm·s−1 over a PDMS bloc. We can notice the long tail of the receding meniscus and a small apparent dewetting contact angle.
